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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES Inventories (Details) (USD $)
In Thousands, unless otherwise specified
3 Months Ended 9 Months Ended
Sep. 30, 2013
Sep. 30, 2012
Sep. 30, 2013
Sep. 30, 2012
Obsolete Inventory [Roll Forward]        
Beginning balance $ 593 $ 559 $ 616 $ 511
Provision 19 35 19 88
Write Offs (3) (13) (26) (18)
Ending balance $ 609 $ 581 $ 609 $ 581